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Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions

Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions

Published on: May 23, 2011

Special Considerations for the Aging Brain and Perioperative Neurocognitive Dysfunction.

Kimberly F Rengel¹, Pratik P Pandharipande¹, Christopher G Hughes¹

¹Department of Anesthesiology, Division of Anesthesiology Critical Care Medicine, Vanderbilt University School of Medicine, 1211 21st Avenue South, 422 MAB, Nashville, TN 37212, USA.

Anesthesiology Clinics

|July 25, 2019

Summary

Postoperative delirium and cognitive dysfunction are common in older adults, increasing long-term cognitive decline risk. This article reviews interventions to mitigate these risks and improve outcomes in elderly surgical patients.

Keywords:

Geriatric anesthesia Long-term cognitive impairment Neuroinflammation Postoperative cognitive dysfunction Postoperative delirium

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Area of Science:

Geriatric Medicine
Neuroscience
Surgical Outcomes Research

Background:

Postoperative delirium and cognitive dysfunction (POCD) are prevalent in elderly patients after surgery.
These conditions are often underrecognized and linked to adverse outcomes and long-term cognitive decline.
Key risk factors include advanced age, lower education, and pre-existing cognitive impairment.

Purpose of the Study:

To examine interventions aimed at reducing the incidence of postoperative delirium and POCD.
To explore strategies for improving long-term recovery and outcomes in older surgical patients.
To address the knowledge gap regarding the pathophysiology of these postoperative cognitive complications.

Main Methods:

Literature review of existing studies on postoperative delirium and POCD.
Analysis of risk factors associated with delirium and POCD in the elderly population.
Examination of various interventions targeting prevention and management of these conditions.

Main Results:

Delirium is associated with poorer surgical outcomes and increased risk of long-term cognitive decline.
Developing delirium exacerbates the risk of subsequent POCD.
Identified risk factors highlight the vulnerability of older adults to these postoperative complications.

Conclusions:

Interventions are crucial for mitigating the risks of delirium and POCD in older adults.
Early recognition and management are essential for improving patient recovery and long-term cognitive health.
Further research into pathophysiology may lead to more targeted and effective preventive strategies.